F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/35
F16K 11/00 (2006.01) B60T 17/04 (2006.01) F16K 5/06 (2006.01) F16K 24/02 (2006.01)
Patent
CA 1087589
VENTED BALL-TYPE CUT-OUT COCK ABSTRACT OF THE DISCLOSURE This invention relates to a vented ball-type cock such as is used at each end of the brake pipe on a railway vehicle in which the brake pipe hose connected to the cock outlet is vented to atmosphere in the cock closed position via a passage- way extending through the cock body, the cover therefor and a spiral groove of some suitable configuration formed on a cylindrical stem extending through the cover for rotating a ball-type valve within the cock body between an open and a closed position. A resilient seal obliquely mounted on the stem for notation therewith is shifted thereby, relative to the cover, from the cock closed position in which a communica- tion between the inlet and outlet of the cock is closed and the hose-venting passageway is open,to the open position in which the communication between the inlet and outlet of the cock is open and the hose-venting passageway is closed.
309178
Elward Michael P.
Mong William K.
Fetherstonhaugh & Co.
Westinghouse Air Brake Company
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